18580528

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21911}}^1$

素因数の和:21972

約数の個数: 20

約数和(自身を含む): 36680688

約数和(自身を除く): 18100160

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21911, 43822, 87644, 175288, 350576, 1161283, 2322566, 4645132, 9290264, 18580528]

約数ペア:

[(1, 18580528), (2, 9290264), (4, 4645132), (8, 2322566), (16, 1161283), (53, 350576), (106, 175288), (212, 87644), (424, 43822), (848, 21911)]